The Thames Tideway Tunnel

Learn all about the tunnel that will help create a healthy river environment for our world-leading capital city.

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What is it?

Introducing the Thames Tideway Tunnel.

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Why is it needed?

The history of London’s sewer system.

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How is it being built?

6 giant tunnel boring machines, up to 65 metres under the Thames.

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What are the benefits?

Cleaning up the Thames for people and wildlife.

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Who will pay for it?

Sharing the costs of the “super sewer”.

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What are people saying?

Views from people who use the river.

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What else is being done?

Upgrades, Sustainable Drainage Systems and the Lee Tunnel.

What else is being done

How can I find out more?

Reports and other information.

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